M4B converter

Free online conversion of m4b files
Select files or drag & drop them here
About M4B

Audiobook and podcast files also contain metadata, chapter markers, images, and hyperlinks, more commonly use the M4B extension. M4B files most commonly use AAC (Advanced Audio Codec).

How to convert M4B file to another format?

Click the «Choose files» button and select the files you want to convert. The maximum file size is 75 MB.

Select the target format. Click «Convert» to start converting your M4B files. It will only take a few seconds.

You did it! Your M4B files have been converted to another format. Now download them to your device.

Supported conversions

MiConv can convert M4B files to other formats. Check the table below.
Convert from M4B

Advantages of MiConv

Online M4B conversion

You don't need to download and install any software to convert M4B files. All conversions take place in the cloud.

File security

Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.

Fast and free

Convert your m4b files in 2 clicks. And don't pay anything for it! This M4B converter is free for all users.

See also

In addition to M4B, we can convert many other file formats. Here are some popular conversions:
Over 1,500,000 users in 235 countries have used MiConv to convert files in 2022

So you're in good company! 👍🏻